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Why are black holes black?

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A black hole is a place in space where gravity pulls so much that even light cannot get out. read more

A black hole cannot emit light - only Hawking radiation - and every light traveling towards a black hole and would have been reflected by other objects, simply is caught by the black hole’s gravity and not reflected. So black holes do not emit or reflect visible light, so yes, black holes are black. read more

A black hole is called a black hole because due to its density and therefore intense gravity, nothing, not even light, can escape it. Though it has extreme mass, it is not a light source, and it will not reflect any light, so it appears as a "black hole" in the universe. read more

Black holes are much heavier than neutron stars and their mass is concentrated in a region that is much less than a neutron star. Their escape velocity at the horizon is equal to the speed of light 300.000 km/sec. The gravitation is so strong that even a light signal can never escape the gravitational pull. read more

Black holes may solve some of the mysteries of the universe. A black hole is a place in space where gravity pulls so much that even light cannot get out. read more

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